Vaicon Stopper
Pneumatic slag retention system for LD (BOF) converters
![Vaicon Stopper](/fileadmin/user_upload/content/01_portfolio/21_Technology_packages/03_packages_CS/vaiconstopper_crop.jpg)
- Sealing of tap hole at the end of converter tapping
- Actuated by SlagMon slag detection camera
- Pneumatic sealing—no contact, no consumables
- Reduces slag carry-over to values as low as 3kg/t
- Improves steel cleanliness and reduces consumption figures (e.g. Al at tapping)